tdesktop/Telegram/SourceFiles/media/player/media_player_float.h

106 lines
2.6 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
namespace Media {
namespace Clip {
class Playback;
} // namespace Clip
namespace Player {
class Float : public TWidget, private base::Subscriber {
public:
Float(QWidget *parent, HistoryItem *item, base::lambda<void(bool visible)> toggleCallback, base::lambda<void(bool closed)> draggedCallback);
HistoryItem *item() const {
return _item;
}
void setOpacity(float64 opacity) {
if (_opacity != opacity) {
_opacity = opacity;
update();
}
}
float64 countOpacityByParent() const {
return outRatio();
}
bool isReady() const {
return (getReader() != nullptr);
}
void detach();
bool detached() const {
return !_item;
}
bool dragged() const {
return _drag;
}
void resetMouseState() {
_down = false;
if (_drag) {
finishDrag(false);
}
}
void ui_repaintHistoryItem(gsl::not_null<const HistoryItem*> item) {
if (item == _item) {
repaintItem();
}
}
protected:
void paintEvent(QPaintEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void mouseDoubleClickEvent(QMouseEvent *e) override;
private:
float64 outRatio() const;
Clip::Reader *getReader() const;
void repaintItem();
void prepareShadow();
bool hasFrame() const;
bool fillFrame();
QRect getInnerRect() const;
void updatePlayback();
void finishDrag(bool closed);
HistoryItem *_item = nullptr;
base::lambda<void(bool visible)> _toggleCallback;
float64 _opacity = 1.;
QPixmap _shadow;
QImage _frame;
bool _down = false;
QPoint _downPoint;
bool _drag = false;
QPoint _dragLocalPoint;
base::lambda<void(bool closed)> _draggedCallback;
std::unique_ptr<Clip::Playback> _roundPlayback;
};
} // namespace Player
} // namespace Media